<!-- the message's input -->
<input id="input" type="text" />

<!-- when clicked then a websocket event will be sent to the server, at this example we registered the 'chat' -->
<button id="sendBtn" disabled>Send</button>

<!-- the messages will be shown here -->
<pre id="output"></pre>
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<script type="module" src="/bundle.js"></script> -->

<script src="/bundle.js"></script>